Process and apparatus for mapping of tachyarrhythmia

Details Process and apparatus for mapping of tachyarrhythmia Process and apparatus for mapping of tachyarrhythmia

1993-06-25

1995-04-25

Cohen, Lee S.

Surgery

Truss

Pad

607119, 607122, A61B 504, A61N 104

Patent

active

054090083

ABSTRACT:
Process and apparatus for mapping of tachyarrhythmia, such as ventricular tachycardia. The apparatus is a mapping catheter which is a polymer member including a plurality of electrodes at a distal end. An upper ring is divided into at least bipolar poles for sensing endocardial potentials. A spaced lower unipolar ring senses intercardic potentials. The process provides for sensing of a QRS signal with the upper bipolar electrodes, and the unipolar ring provides for sensing of the EKG signal. The mapping catheter is of such a size that the mapping catheter can be inserted up and through a hand-held probe to steer and guide the mapping catheter. An interventional catheter will fit within the mapping catheter for ablation of arrhythmogenic sites. One embodiment is a laser delivery catheter which can include a fiber optic cable, a fixation wire, a metal sensing tip and an internal flushing lumen.

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